Home / 8,075.38-12,112.61-2,528.07

Finding the Fourth Proportional to 8,075.38, 12,112.61 and 2,528.07

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Solution

The fourth proportional to 8,075.38, 12,112.61 and 2,528.07 is: 3,791.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075.38 : 12,112.61 = 2,528.07 : x
  2. Step 2: Convert to fraction form
    8,075.38/12,112.61 = 2,528.07/x
  3. Step 3: Cross multiply
    8,075.38x = 12,112.61 × 2,528.07
  4. Step 4: Simplify right side
    8,075.38x = 30,621,525.96
  5. Step 5: Solve for x
    x = 30,621,525.96/8,075.38
  6. Step 6: Final answer
    x = 3,791.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.